upskill-event-manager/wordpress-dev/wordpress/wp-content/plugins/event-tickets-plus/event-tickets-plus.php

<?php
/**
 * Plugin Name: Event Tickets Plus
 * Plugin URI:  https://evnt.is/1acc
 * Description: Event Tickets Plus lets you sell tickets to events, collect custom attendee information, and more! Includes advanced options like shared capacity between tickets, ticket QR codes, and integrations with your favorite ecommerce provider.
 * Version: 6.3.0
 * Requires at least: 6.5
 * Requires PHP: 7.4
 * Author: The Events Calendar
 * Author URI: https://evnt.is/28
 * License: GPLv2 or later
 * License URI: https://www.gnu.org/licenses/gpl-2.0.html
 * Text Domain: event-tickets-plus
 * Domain Path: /lang/
 * WC requires at least: 7.1
 * WC tested up to: 9.7.1
 */

/*
Copyright 2010-2024 by The Events Calendar and the contributors

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without seven the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

if ( ! defined( 'ABSPATH' ) ) {
	die( '-1' );
}

define( 'EVENT_TICKETS_PLUS_DIR', dirname( __FILE__ ) );
define( 'EVENT_TICKETS_PLUS_FILE', __FILE__ );

// Load the required php min version functions.
require_once dirname( EVENT_TICKETS_PLUS_FILE ) . '/src/functions/php-min-version.php';

// Load the Composer autoload file.
require_once dirname( EVENT_TICKETS_PLUS_FILE ) . '/vendor/autoload.php';

/**
 * Verifies if we need to warn the user about min PHP version and bail to avoid fatal errors.
 */
if ( tribe_is_not_min_php_version() ) {
	tribe_not_php_version_textdomain( 'event-tickets-plus', EVENT_TICKETS_PLUS_FILE );

	/**
	 * Include the plugin name into the correct place.
	 *
	 * @since 4.10
	 *
	 * @param array $names Current list of names.
	 *
	 * @return array
	 */
	function tribe_tickets_plus_not_php_version_plugin_name( $names ) {
		$names['event-tickets-plus'] = esc_html__( 'Event Tickets Plus', 'event-tickets-plus' );
		return $names;
	}

	add_filter( 'tribe_not_php_version_names', 'tribe_tickets_plus_not_php_version_plugin_name' );
	if ( ! has_filter( 'admin_notices', 'tribe_not_php_version_notice' ) ) {
		add_action( 'admin_notices', 'tribe_not_php_version_notice' );
	}
	return false;
}

/**
 * Attempt to Register Plugin.
 *
 * @since 4.10
 */
function tribe_register_event_tickets_plus() {

	// Remove action if we run this hook through common.
	remove_action( 'plugins_loaded', 'tribe_register_event_tickets_plus', 50 );

	if ( ! class_exists( 'Tribe__Abstract_Plugin_Register' ) ) {
		// Load to display error message.
		add_action( 'admin_notices', 'event_tickets_plus_show_fail_message' );
		add_action( 'network_admin_notices', 'event_tickets_plus_show_fail_message' );

		remove_action( 'tribe_common_loaded', 'event_tickets_plus_init', 10 );

		return;
	}

	$plugin_path = trailingslashit( EVENT_TICKETS_PLUS_DIR );

	require_once $plugin_path . 'src/Tribe/Plugin_Register.php';
	include_once $plugin_path . 'src/Tribe/PUE/Helper.php';
	require_once $plugin_path . 'src/Tribe/PUE.php';
	require_once $plugin_path . 'src/Tribe/Main.php';

	new Tribe__Tickets_Plus__Plugin_Register();
}
add_action( 'tribe_common_loaded', 'tribe_register_event_tickets_plus', 5 );
// add action if Event Tickets or the Events Calendar is not active.
add_action( 'plugins_loaded', 'tribe_register_event_tickets_plus', 50 );
// ensure we load the lang files
add_action( 'tribe_load_text_domains', 'event_tickets_plus_setup_textdomain' );

/**
 * Instantiate class and set up WordPress actions.
 *
 * @since 4.10
 */
function event_tickets_plus_init() {

	if ( class_exists( 'Tribe__Main' ) && ! is_admin() && ! class_exists( 'Tribe__Tickets_Plus__PUE__Helper' ) ) {
		tribe_main_pue_helper();
	}

	new Tribe__Tickets_Plus__PUE( __FILE__ );

	$classes_exist  = class_exists( 'Tribe__Tickets__Main' ) && class_exists( 'Tribe__Tickets_Plus__Main' );
	$plugins_check  = tribe_check_plugin( 'Tribe__Tickets_Plus__Main' );
	$plugin_can_run = $classes_exist && $plugins_check;

	/**
	 * Filter whether the plugin can run.
	 *
	 * @since 4.10
	 *
	 * @param boolean $plugin_can_run Whether the plugin can run.
	 */
	$plugin_can_run = apply_filters( 'tribe_event_tickets_plus_can_run', $plugin_can_run );

	if ( $plugin_can_run ) {
		tribe_init_tickets_plus_autoloading();

		tribe( 'tickets-plus.main' )->instance();

		return;
	}

	// Attempt to avoid fatals in older ET versions.
	add_action( 'init', static function() {
		remove_all_filters( 'tribe_events_tickets_attendee_registration_modal_content' );
		remove_filter( 'tribe_tickets_commerce_paypal_add_to_cart_args', tribe_callback( 'tickets.attendee_registration.meta', 'add_product_delete_to_paypal_url' ), 10, 1 );
	} );

	// if we have the plugin register the dependency check will handle the messages
	if ( class_exists( 'Tribe__Abstract_Plugin_Register' ) ) {
		new Tribe__Tickets_Plus__PUE( __FILE__ );

		return;
	}

	add_action( 'admin_notices', 'event_tickets_plus_show_fail_message' );
	add_action( 'network_admin_notices', 'event_tickets_plus_show_fail_message' );
}
add_action( 'tribe_common_loaded', 'event_tickets_plus_init' );

/**
 * Sets up the textdomain stuff
 */
function event_tickets_plus_setup_textdomain() {
	if ( defined( 'EVENT_TICKETS_PLUS_TEXTDOMAIN_LOADED' ) && EVENT_TICKETS_PLUS_TEXTDOMAIN_LOADED ) {
		return;
	}

	$mopath = trailingslashit( basename( dirname( __FILE__ ) ) ) . 'lang/';
	$domain = 'event-tickets-plus';

	// If we don't have Common classes load the old fashioned way
	if ( ! class_exists( 'Tribe__Main' ) ) {
		load_plugin_textdomain( $domain, false, $mopath );
	} else {
		// This will load `wp-content/languages/plugins` files first
		Tribe__Main::instance()->load_text_domain( $domain, $mopath );
	}

	define( 'EVENT_TICKETS_PLUS_TEXTDOMAIN_LOADED', true );
}

/**
 * Requires the autoloader class from the main plugin class and sets up autoloading.
 *
 * @since 4.12.1 Added support for namespaced classes to autoload.
 */
function tribe_init_tickets_plus_autoloading() {
	if ( ! class_exists( 'Tribe__Autoloader' ) ) {
		return;
	}

	$autoloader = Tribe__Autoloader::instance();

	// For class names with `__` string separator.
	$autoloader->register_prefix(
		'Tribe__Tickets_Plus__',
		__DIR__ . '/src/Tribe',
		'event-tickets-plus'
	);

	// For namespaced classes.
	$autoloader->register_prefix(
		'\\Tribe\\Tickets\\Plus\\',
		__DIR__ . '/src/Tribe',
		'event-tickets-plus-ns'
	);

	$autoloader->register_autoloader();

	$plugin_path = trailingslashit( EVENT_TICKETS_PLUS_DIR );

	require_once( $plugin_path . 'src/functions/template-tags.php' );

	tribe_singleton( 'tickets-plus.main', 'Tribe__Tickets_Plus__Main' );
}

/**
 * Shows an admin_notices message explaining why it couldn't be activated.
 */
function event_tickets_plus_show_fail_message() {
	event_tickets_plus_setup_textdomain();

	if ( ! current_user_can( 'activate_plugins' ) )
		return;

	$url = add_query_arg( array(
		'tab'       => 'plugin-information',
		'plugin'    => 'event-tickets',
		'TB_iframe' => 'true',
	), admin_url( 'plugin-install.php' ) );

	$title = esc_html__( 'Event Tickets', 'event-tickets-plus' );

	echo '<div class="error"><p>';

	printf(
		esc_html__( 'To begin using Event Tickets Plus, please install and activate the latest version of %1$s%2$s%3$s and ensure its own requirements have been met.', 'event-tickets-plus' ),
		'<a href="' . esc_url( $url ) . '" class="thickbox" title="' . $title . '">',
		$title,
		'</a>'
	);

	echo '</p></div>';
}


/**
 * Whether the current version is incompatible with the installed and active The Events Calendar
 *
 * @deprecated 4.10
 *
 * @return bool
 */
function event_tickets_plus_is_incompatible_tickets_core_installed() {
	_deprecated_function( __FUNCTION__, '4.10', '' );

	if ( ! class_exists( 'Tribe__Tickets__Main' ) ) {
		return true;
	}

	if ( ! class_exists( 'Tribe__Tickets_Plus__Main' ) ) {
		return true;
	}

	if ( ! version_compare( Tribe__Tickets__Main::VERSION, Tribe__Tickets_Plus__Main::REQUIRED_TICKETS_VERSION, '>=' ) ) {
		return true;
	}

	return false;
}

/**
 * Hooks up the failure message.
 *
 * @deprecated 4.10
 */
function event_tickets_plus_setup_fail_message() {
	_deprecated_function( __FUNCTION__, '4.10', '' );

	add_action( 'admin_notices', 'event_tickets_plus_show_fail_message' );
}

/**
 * Last ditch effort to display an error message in the event that Event Tickets didn't even load
 * far enough to fire tribe_tickets_plugin_loaded or tribe_tickets_plugin_failed_to_load
 *
 * @deprecated 4.10
 */
function event_tickets_plus_check_for_init_failure() {
	_deprecated_function( __FUNCTION__, '4.10', '' );

	if ( defined( 'EVENT_TICKETS_PLUS_TEXTDOMAIN_LOADED' ) && EVENT_TICKETS_PLUS_TEXTDOMAIN_LOADED ) {
		return;
	}

	event_tickets_plus_setup_fail_message();
}